 Wadham College is widely regarded as the last major public building in the UK to have been built according to the mediaeval principles of a supervising master mason.His last known work was remodelling Dunster Castle in 1617 for the owner George Luttrell.The interiors were completely modernised in the 1680s, and the exterior work only partially survives as Anthony Salvin remodelled and extended the castle in 1868.